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    Several 420 Sedan Bridge questions

    Just had bottom paint done on 420 sedan bridge. While out of the water the yard person said he thought the zincs on the stern and trim tabs were wrong and were supposed to be magnesium. Turns out they were magnesium after all so ok. But, that brought up the question about what to use on engines...
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    1000 Hour Service Cummins 6cta Sedan Bridge 420

    I’m totally confused. I called my local Cummins dealer to inquire about what the 1000 hour service entails and the cost. They said there really isn’t a 1000 hour service and referred to the 600 hour service instead. A local diesel repair shop seemed to have more knowledge. My Marina refers big...
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    Onan Generator Spin On Fuel Filter Removal

    Has anyone had a problem getting the spin on fuel filter off? I’ve used three different wrenches, bent the hell out of the filter, and the darn thing hasn’t budged. Yes, I’ve checked to make sure I’m turning to the left, so unless it is reverse threaded, I’m at a loss to get this thing off.
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    Changing racor filters on 420 sedan bride

    The SR owners manual does not mention turning off the fuel lines prior to changing the racor engine filters. Is it possible to change the filters without closing the fuel valves? Secondly, will turning both selectors on the Onan generator panel to off cut off fuel flow to racor filter and allow...
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    Anchor bulb replacement

    How do get to the anchor light on the radar arch of a Sea Ray 420 Sedan Bridge. Do have to remove the cloth top to get to it?
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